Improvement in artificial stone



I06. COMPOSITIONS,

COATING OR PLASTIC.

y/Lum canc/ UNITED STATES PATENT QFFIGE.

CHARLES E. HALL AND ELMOR J. SAL ISBURY, OF CHICAGO, ILLINOIS.

IM PROVEMENT IN ARTIFICIAL STONE.

Specification forming part of Letters Patent No. 157,51 1, dated December 8, 1874; application filed November 9, 1874.

To all whom it may concern:

Be it known that we, CHARLES E. HALL and Enron J. SALISBURY, of Chicago, Cook county, Illinois, have invented certain Improvements in a certain Compound called Artificial Stone, to be used in place of natural stone or brick, of which the following is a specification:

This invention relates to that class of compounds used in the construction of ornamental work, such as window and door caps, quoins, eorbels, brackets, in fact all manner of architectural work; also, vases, urns, fountains, concrete walls, footings of buildings, &c.

To prepare this compound, take sixty-six (66) pounds of sand thirty (30) pounds 0th draulic cement Tour (4) pounds of barvta ma ring 111 all one hundred (100) pounds, to Iie moistened with a saturated solution of limewater (not milk of lime} with the addition oI iour I1) ounces 0 g vcerine to the gallon of water.

CHARLES E. HALL.

ELMOR J. SALISBURY.

Witnesses GEORGE L. FORD, J. M. OS'IROM. 

